257164440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9697}}^1$

素因数の和:9741

約数の個数: 128

約数和(自身を含む): 879802560

約数和(自身を除く): 622638120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 3315, 4420, 5304, 6630, 8840, 9697, 13260, 19394, 26520, 29091, 38788, 48485, 58182, 77576, 96970, 116364, 126061, 145455, 164849, 193940, 232728, 252122, 290910, 329698, 378183, 387880, 494547, 504244, 581820, 630305, 659396, 756366, 824245, 989094, 1008488, 1163640, 1260610, 1318792, 1512732, 1648490, 1890915, 1978188, 2143037, 2472735, 2521220, 3025464, 3296980, 3781830, 3956376, 4286074, 4945470, 5042440, 6429111, 6593960, 7563660, 8572148, 9890940, 10715185, 12858222, 15127320, 17144296, 19781880, 21430370, 25716444, 32145555, 42860740, 51432888, 64291110, 85721480, 128582220, 257164440]

約数ペア:

[(1, 257164440), (2, 128582220), (3, 85721480), (4, 64291110), (5, 51432888), (6, 42860740), (8, 32145555), (10, 25716444), (12, 21430370), (13, 19781880), (15, 17144296), (17, 15127320), (20, 12858222), (24, 10715185), (26, 9890940), (30, 8572148), (34, 7563660), (39, 6593960), (40, 6429111), (51, 5042440), (52, 4945470), (60, 4286074), (65, 3956376), (68, 3781830), (78, 3296980), (85, 3025464), (102, 2521220), (104, 2472735), (120, 2143037), (130, 1978188), (136, 1890915), (156, 1648490), (170, 1512732), (195, 1318792), (204, 1260610), (221, 1163640), (255, 1008488), (260, 989094), (312, 824245), (340, 756366), (390, 659396), (408, 630305), (442, 581820), (510, 504244), (520, 494547), (663, 387880), (680, 378183), (780, 329698), (884, 290910), (1020, 252122), (1105, 232728), (1326, 193940), (1560, 164849), (1768, 145455), (2040, 126061), (2210, 116364), (2652, 96970), (3315, 77576), (4420, 58182), (5304, 48485), (6630, 38788), (8840, 29091), (9697, 26520), (13260, 19394)]